87C524 查看數據表（PDF） - Philips Electronics
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87C524 Datasheet PDF : 26 Pages
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Philips Semiconductors
80C51 8-bit microcontrollers
16K/32K, 512 OTP, I2C, watchdog timer
PLASTIC QUAD FLAT PACK
PIN FUNCTIONS
44
34
1
33
QFP
11
23
12
Pin Function
1 P1.5
2 P1.6/SCL
3 P1.7/SDA
4 RST
5 P3.0/RxD
6 NC*
7 P3.1/TxD
8 P3.2/INT0
9 P3.3/INT1
10 P3.4/T0
11 P3.5/T1
12 P3.6/WR
13 P3.7/RD
14 XTAL2
15 XTAL1
16 VSS
17 NC*
18 P2.0/A8
19 P2.1/A9
20 P2.2/A10
21 P2.3/A11
22 P2.4/A12
* NO INTERNAL CONNECTIONS
22
Pin Function
23 P2.5/A13
24 P2.6/A14
25 P2.7/A15
26 PSEN
27 ALE
28 NC*
29 EA
30 P0.7/AD7
31 P0.6/AD6
32 P0.5/AD5
33 P0.4/AD4
34 P0.3/AD3
35 P0.2/AD2
36 P0.1/AD1
37 P0.0/AD0
38 VDD
39 NC*
40 P1.0/T2
41 P1.1/T2EX
42 P1.2
43 P1.3
44 P1.4
SU00164
Product specification
87C524/87C528
1999 Jul 23
5
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